History of Mark::place 1 change

In crates/backdrop/src/mark.rs, lines 73–89 on b7d2b0b30b4ac9cf296a69413edcb0026af40ab263445dae89ecdb5030307526. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 73,89:crates/backdrop/src/mark.rs.